* {
  padding: 0px;
  margin: 0px;
}
.container {
  margin-top: -20px;
  padding-right: 0px;
  padding-left: 0px;
  text-align: center;
  background-image: linear-gradient(
    to left,
    rgb(253, 154, 67),
    rgb(245, 202, 155)
  );
  overflow: hidden;
}
.header {
  overflow: hidden;
}
.nav {
  background-color: #131918;
  border: 0px;
  font-size: 16px;
}
.logo {
  display: flex;
  /* 实现水平方向上居中 */
  justify-content: left;
  /* 实现垂直方向居中 */
  align-items: center;
}
.logo img {
  width: 60%;
}
.main {
  margin-top: -20px;
}

.footer .row div {
  cursor: pointer;
}
.contact-info {
  display: none;
  position: absolute;
  top: -25%;
  left: 42%;
  transform: translateX(-50%);
  background-color: #f1f1f1;
  padding: 10px;
  border-radius: 5px;
}
.contact {
  position: relative;
}
.contact:hover .contact-info {
  display: block;
}
